CN107671397A - A kind of 1600T masts arm frame head manufacture craft - Google Patents

A kind of 1600T masts arm frame head manufacture craft Download PDF

Info

Publication number
CN107671397A
CN107671397A CN201710908999.3A CN201710908999A CN107671397A CN 107671397 A CN107671397 A CN 107671397A CN 201710908999 A CN201710908999 A CN 201710908999A CN 107671397 A CN107671397 A CN 107671397A
Authority
CN
China
Prior art keywords
arm support
group
component
support head
completion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710908999.3A
Other languages
Chinese (zh)
Inventor
周路林
施浩杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
Original Assignee
Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd filed Critical Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
Priority to CN201710908999.3A priority Critical patent/CN107671397A/en
Publication of CN107671397A publication Critical patent/CN107671397A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/18—Submerged-arc welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Arc Welding In General (AREA)

Abstract

The invention discloses a kind of 1600T masts arm frame head manufacture craft, it is characterised in that：Including arm support head workshop arrangement, arm support head assembly 1 is made, arm support head assembly 5 makes, arm support head assembly is assembled, arm support head assembly 2 is assembled, arm support head truss structure assembles, the general assembly of arm support head.The advantage of the invention is that：Whole arm support is up to 99 meters, and weight has reached 510T, to shorten construction period, it is ensured that welding quality, is classified as arm support root, group during middle part and these three parts of head are carried out, general assembly being carried out after the completion for the treatment of middle group.Arm support is because length is longer and arm support main couple is body structure, inside is provided with dividing plate, the form progress group that we employ segmentation group is prefabricated, and scene carries out group's corner weld submerged arc automatic welding using oblique gesture moulding bed, shortens the construction period of the nearly half of arm support in this way.

Description

A kind of 1600T masts arm frame head manufacture craft
Technical field
The present invention relates to machinery manufacturing technology field, more particularly to a kind of 1600T masts arm frame head manufacture craft.
Background technology
With the long-range strategic demand of country, the long-term interest of country name race, it is extremely great to develop the meaning of marine resources, meaning Justice is very far-reaching.With the continuous development of extra large work project, higher requirement it is also proposed to its supporting hardware device, build now The 1600T masts made hang a loop wheel machine for current largest domestic, and the volume that it can solve extra large work project is big, weight weight, difficult At sea to lift by crane this bottleneck.1600T masts are hung to be made up of arm support, reversing chassis, upper pillar stand and lower pillar stand, its arm support length Long, weight weight, construction precision requires the high emphasis and difficult point for turning into whole mast and hanging construction.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of 1600T mast arm framves head that can shorten construction period Manufacture craft.
In order to solve the above technical problems, the technical scheme is that：A kind of 1600T masts arm frame head makes work Skill, its innovative point are：Including arm support head workshop arrangement, arm support head assembly 1 makes, arm support head assembly 5 makes, arm support Head assembly is assembled, arm support head assembly 2 is assembled, arm support head truss structure assembles, the general assembly of arm support head；Comprise the following steps that：
（1）Arm support head workshop is arranged：
Arm support head is made up of 10 components, is divided into main hook, truss structure and auxiliary hook；
（2）Arm support head assembly 1 makes：
Component 1 is individually assembled by the way of side is made, and after the completion of welding equipment, is docked with truss structure；
The Making programme of component 1：
1）Moulding bed laying bottom plate group founds A, installs top plate and box group founds G；
2）Vertical partition plate is installed, respectively organizes vertical B, C, D, E；Upper and lower ends are both needed to increase processing support to ensure partition room chi It is very little；
3）Polycrystalline substance and the vertical H of group are installed；
4）Cover outer panel group and found K, need to check internal structure before cover plate, confirm errorless back shroud and weld；
5）After the completion of casing integral solder, installation group founds M, N；It should be noted inner mouth to muscle and setting angle during installation；
（3）Arm support head assembly 5 makes：
Component 5 is individually assembled by the way of side is made, and after the completion of welding equipment, is docked with truss structure；
The Making programme of component 5：
1）Moulding bed laying bottom plate group founds A, and installation top plate group founds B；
2）Vertical partition plate is installed, respectively organizes vertical C, D, lower mouth dividing plate need to increase processing support to ensure location dimension；
3）Internal structure and group vertical E, F, G are installed；
4）Cover outer panel group and found H, need to check internal structure before cover plate, confirm errorless back shroud and weld；
5）After the completion of casing integral solder, installation group founds M, K；It should be noted inner mouth to muscle and setting angle during installation；
（4）Arm support head assembly is assembled：
1）Group is vertical to be spliced by drawing；
2）It need to shift to an earlier date and stick steel sleeve in a group stile edge；
3）Tested after the vertical contraposition of group by drawing size；
4）Structure need to be welded in strict accordance with WPS；
5）Postwelding carries out dimensional measurement；
6）Linearity requirement：Every meter is less than 1mm, and total length is less than 3mm；
（5）Arm support head assembly 2 is assembled：
1）The installation procedure of component 2：Moulding bed position line is marked, is stood and is rule, location and installation group by figure arrangement moulding bed, laying group Stand, install apply for checking and examination before pipe in bulk, weldering, weld seam NDT is checked, completion measurement；
2）Group moulding bed can be made using former 1-2 workshops moulding bed；
3）Component 2 is similar to the Making programme of component 3；
（6）The truss structure assembling of arm support head：
1）First by figure with marking arm support head line-transect；
2）Assemble flow is as follows：Mark moulding bed position line, by tire, arm support lateral plate component on figure arrangement moulding bed, arm support lateral plate component 2 Tire, component are applied for checking and examination before marking assembly line, positioning branch pipe in bulk and structure, weldering on 3, postwelding measurement, installation pulley pedestal, completion are surveyed Amount；
3）Assemble sequence is installed as shown in drawing from the order of step 1 to three；
4）Need to use processing support fixation after tire on unilateral arm support；
5）Bulk parts need to individually pack, and enter to apply together with arm support segmentation；
（7）The general assembly of arm support head：
1）The main hook of component 1 wants paper requirement to carry out general assembly with head truss structure by drawing；
2）In positioning, mouth need to increase cylinder moulding bed and supports and increase corresponding support component 1,5 at present, and component is not completely fixed Before good, it is impossible to loose hook；
3）Measure after component positioning, welded after location data is qualified by drawing；
4）Structure need to be welded in strict accordance with WPS；
5）Postwelding carries out NDT flaw detections and measurement of completing.
Further, the step（2）Points for attention when component 1 makes：a）Group pays attention to welding groove direction when making And Type of Welding；b）Structure need to be welded in strict accordance with WPS；c）The part of metalworking is needed to be added after the completion for the treatment of middle group Work；d）Because main hook casing inner structure is more, welding requirements is higher, opens up fabrication hole according to field condition during post-production；e） The structure of mouth is both needed to welding completion in before cover plate；f）The integrality that mouth structure assembles in checking is needed before cover plate.
Further, the step（3）Points for attention when component 5 makes：a）Group pays attention to welding groove direction when making And Type of Welding；b）The part of metalworking is needed to be processed after the completion for the treatment of middle group；c）The structure of mouth is both needed to weld in before cover plate Connect completion；d）The integrality that mouth structure assembles in checking is needed before cover plate；e）Because auxiliary hook casing inner structure is more, welding requirements It is higher, fabrication hole is opened up according to field condition during post-production； f）The part of metalworking is needed to be added after the completion for the treatment of middle group Work, installation accuracy and inner mouth reinforcement structure are to muscle.
Further, the step（2）Middle standby totally 28 meters of the angle steel L75*50*6 of need.
Further, the step（3）Middle standby totally 12.5 meters of the angle steel L75*50*6 of need.
The advantage of the invention is that：Whole arm support is up to 99 meters, and weight has reached 510T, to shorten construction period, it is ensured that Welding quality, it is classified as arm support root, group during middle part and these three parts of head are carried out, general assembly being carried out after the completion for the treatment of middle group. Arm support is because length is longer and arm support main couple is body structure, and inside is provided with dividing plate, and we employ the form of segmentation group Carry out group is prefabricated, and scene carries out group's corner weld submerged arc automatic welding using oblique gesture moulding bed, shortens arm support in this way The construction period of nearly half.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the arm support head general assembly side view of the present invention.
Fig. 2 is the arm support head general assembly top view of the present invention.
Embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this It is bright to be limited among described scope of embodiments.
As shown in Figure 1 to Figure 2, a kind of 1600T masts arm frame head manufacture craft, including arm support head workshop arrangement, Arm support head assembly 1 is made, arm support head assembly 5 makes, arm support head assembly is assembled, arm support head assembly 2 is assembled, arm support head Truss structure assembling, the general assembly of arm support head；Comprise the following steps that：
（1）Arm support head workshop is arranged：
Arm support head is made up of 10 components, is divided into main hook, truss structure and auxiliary hook.
（2）Arm support head assembly 1 makes：
Component 1 is individually assembled by the way of side is made, and after the completion of welding equipment, is docked with truss structure；
Points for attention when component 1 makes：a）Group pays attention to welding groove direction and Type of Welding when making；b）Structure need to be pressed strictly Welded according to WPS；c）The part of metalworking is needed to be processed after the completion for the treatment of middle group；d）Due to main hook casing inner structure compared with More, welding requirements is higher, opens up fabrication hole according to field condition during post-production；e）The structure of mouth is both needed to weld in before cover plate Connect completion；f）The integrality that mouth structure assembles in checking is needed before cover plate；
The Making programme of component 1：
1）Moulding bed laying bottom plate group founds A, installs top plate and box group founds G；
2）Vertical partition plate is installed, respectively organizes vertical B, C, D, E；Upper and lower ends are both needed to increase processing support to ensure partition room chi It is very little；
3）Polycrystalline substance and the vertical H of group are installed；
4）Cover outer panel group and found K, need to check internal structure before cover plate, confirm errorless back shroud and weld；
5）After the completion of casing integral solder, installation group founds M, N；It should be noted inner mouth to muscle and setting angle during installation；
Note：Need standby totally 28 meters of angle steel L75*50*6.
（3）Arm support head assembly 5 makes：
Component 5 is individually assembled by the way of side is made, and after the completion of welding equipment, is docked with truss structure；
Points for attention when component 5 makes：a）Group pays attention to welding groove direction and Type of Welding when making；b）Need the zero of metalworking Part is processed after the completion for the treatment of middle group；c）The structure of mouth is both needed to welding completion in before cover plate；d）Needed before cover plate in inspection The integrality of mouth structure assembling；e）Because auxiliary hook casing inner structure is more, welding requirements is higher, according to scene during post-production Situation opens up fabrication hole； f）The part of metalworking is needed to be processed after the completion for the treatment of middle group, installation accuracy and inner mouth strengthen knot Structure is to muscle；
The Making programme of component 5：
1）Moulding bed laying bottom plate group founds A, and installation top plate group founds B；
2）Vertical partition plate is installed, respectively organizes vertical C, D, lower mouth dividing plate need to increase processing support to ensure location dimension；
3）Internal structure and group vertical E, F, G are installed；
4）Cover outer panel group and found H, need to check internal structure before cover plate, confirm errorless back shroud and weld.
5）After the completion of casing integral solder, installation group founds M, K；It should be noted inner mouth to muscle and setting angle during installation.
Note：Need standby totally 12.5 meters of angle steel L75*50*6.
（4）Arm support head assembly is assembled：
1）Group is vertical to be spliced by drawing；
2）It need to shift to an earlier date and stick steel sleeve in a group stile edge；
3）Tested after the vertical contraposition of group by drawing size；
4）Structure need to be welded in strict accordance with WPS；
5）Postwelding carries out dimensional measurement；
6）Linearity requirement：Every meter is less than 1mm, and total length is less than 3mm.
（5）Arm support head assembly 2 is assembled：
1）The installation procedure of component 2：Moulding bed position line is marked, is stood and is rule, location and installation group by figure arrangement moulding bed, laying group Stand, install apply for checking and examination before pipe in bulk, weldering, weld seam NDT is checked, completion measurement；
2）Group moulding bed can be made using former 1-2 workshops moulding bed；
3）Component 2 is similar to the Making programme of component 3.
（6）The truss structure assembling of arm support head：
1）First by figure with marking arm support head line-transect；
2）Assemble flow is as follows：Mark moulding bed position line, by tire, arm support lateral plate component on figure arrangement moulding bed, arm support lateral plate component 2 Tire, component are applied for checking and examination before marking assembly line, positioning branch pipe in bulk and structure, weldering on 3, postwelding measurement, installation pulley pedestal, completion are surveyed Amount；
3）Assemble sequence is installed as shown in drawing from the order of step 1 to three；
4）Need to use processing support fixation after tire on unilateral arm support；
5）Bulk parts need to individually pack, and enter to apply together with arm support segmentation.
（7）The general assembly of arm support head：
1）The main hook of component 1 wants paper requirement to carry out general assembly with head truss structure by drawing；
2）In positioning, mouth need to increase cylinder moulding bed and supports and increase corresponding support component 1,5 at present, and component is not completely fixed Before good, it is impossible to loose hook；
3）Measure after component positioning, welded after location data is qualified by drawing；
4）Structure need to be welded in strict accordance with WPS；
5）Postwelding carries out NDT flaw detections and measurement of completing.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The skill of the industry For art personnel it should be appreciated that the present invention is not limited to the above embodiments, described in above-described embodiment and specification is explanation The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and Its equivalent thereof.

Claims (5)

  1. A kind of 1. 1600T masts arm frame head manufacture craft, it is characterised in that：Including arm support head workshop arrangement, arm support head Parts 1 are made, arm support head assembly 5 makes, arm support head assembly is assembled, arm support head assembly 2 is assembled, arm support head truss knot Structure assembling, the general assembly of arm support head；Comprise the following steps that：
    （1）Arm support head workshop is arranged：
    Arm support head is made up of 10 components, is divided into main hook, truss structure and auxiliary hook；
    （2）Arm support head assembly 1 makes：
    Component 1 is individually assembled by the way of side is made, and after the completion of welding equipment, is docked with truss structure；
    The Making programme of component 1：
    1）Moulding bed laying bottom plate group founds A, installs top plate and box group founds G；
    2）Vertical partition plate is installed, respectively organizes vertical B, C, D, E；Upper and lower ends are both needed to increase processing support to ensure partition room chi It is very little；
    3）Polycrystalline substance and the vertical H of group are installed；
    4）Cover outer panel group and found K, need to check internal structure before cover plate, confirm errorless back shroud and weld；
    5）After the completion of casing integral solder, installation group founds M, N；It should be noted inner mouth to muscle and setting angle during installation；
    （3）Arm support head assembly 5 makes：
    Component 5 is individually assembled by the way of side is made, and after the completion of welding equipment, is docked with truss structure；
    The Making programme of component 5：
    1）Moulding bed laying bottom plate group founds A, and installation top plate group founds B；
    2）Vertical partition plate is installed, respectively organizes vertical C, D, lower mouth dividing plate need to increase processing support to ensure location dimension；
    3）Internal structure and group vertical E, F, G are installed；
    4）Cover outer panel group and found H, need to check internal structure before cover plate, confirm errorless back shroud and weld；
    5）After the completion of casing integral solder, installation group founds M, K；It should be noted inner mouth to muscle and setting angle during installation；
    （4）Arm support head assembly is assembled：
    1）Group is vertical to be spliced by drawing；
    2）It need to shift to an earlier date and stick steel sleeve in a group stile edge；
    3）Tested after the vertical contraposition of group by drawing size；
    4）Structure need to be welded in strict accordance with WPS；
    5）Postwelding carries out dimensional measurement；
    6）Linearity requirement：Every meter is less than 1mm, and total length is less than 3mm；
    （5）Arm support head assembly 2 is assembled：
    1）The installation procedure of component 2：Moulding bed position line is marked, is stood and is rule, location and installation group by figure arrangement moulding bed, laying group Stand, install apply for checking and examination before pipe in bulk, weldering, weld seam NDT is checked, completion measurement；
    2）Group moulding bed can be made using former 1-2 workshops moulding bed；
    3）Component 2 is similar to the Making programme of component 3；
    （6）The truss structure assembling of arm support head：
    1）First by figure with marking arm support head line-transect；
    2）Assemble flow is as follows：Mark moulding bed position line, by tire, arm support lateral plate component on figure arrangement moulding bed, arm support lateral plate component 2 Tire, component are applied for checking and examination before marking assembly line, positioning branch pipe in bulk and structure, weldering on 3, postwelding measurement, installation pulley pedestal, completion are surveyed Amount；
    3）Assemble sequence is installed as shown in drawing from the order of step 1 to three；
    4）Need to use processing support fixation after tire on unilateral arm support；
    5）Bulk parts need to individually pack, and enter to apply together with arm support segmentation；
    （7）The general assembly of arm support head：
    1）The main hook of component 1 wants paper requirement to carry out general assembly with head truss structure by drawing；
    2）In positioning, mouth need to increase cylinder moulding bed and supports and increase corresponding support component 1,5 at present, and component is not completely fixed Before good, it is impossible to loose hook；
    3）Measure after component positioning, welded after location data is qualified by drawing；
    4）Structure need to be welded in strict accordance with WPS；
    5）Postwelding carries out NDT flaw detections and measurement of completing.
  2. A kind of 2. 1600T masts arm frame head manufacture craft according to claim 1, it is characterised in that：The step （2）Points for attention when component 1 makes：a）Group pays attention to welding groove direction and Type of Welding when making；b）Structure need to be pressed strictly Welded according to WPS；c）The part of metalworking is needed to be processed after the completion for the treatment of middle group；d）Due to main hook casing inner structure compared with More, welding requirements is higher, opens up fabrication hole according to field condition during post-production；e）The structure of mouth is both needed to weld in before cover plate Connect completion；f）The integrality that mouth structure assembles in checking is needed before cover plate.
  3. A kind of 3. 1600T masts arm frame head manufacture craft according to claim 1, it is characterised in that：The step （3）Points for attention when component 5 makes：a）Group pays attention to welding groove direction and Type of Welding when making；b）Need the zero of metalworking Part is processed after the completion for the treatment of middle group；c）The structure of mouth is both needed to welding completion in before cover plate；d）Needed before cover plate in inspection The integrality of mouth structure assembling；e）Because auxiliary hook casing inner structure is more, welding requirements is higher, according to scene during post-production Situation opens up fabrication hole； f）The part of metalworking is needed to be processed after the completion for the treatment of middle group, installation accuracy and inner mouth strengthen knot Structure is to muscle.
  4. A kind of 4. 1600T masts arm frame head manufacture craft according to claim 1, it is characterised in that：The step （2）Middle standby totally 28 meters of the angle steel L75*50*6 of need.
  5. A kind of 5. 1600T masts arm frame head manufacture craft according to claim 1, it is characterised in that：The step （3）Middle standby totally 12.5 meters of the angle steel L75*50*6 of need.
CN201710908999.3A 2017-09-29 2017-09-29 A kind of 1600T masts arm frame head manufacture craft Pending CN107671397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710908999.3A CN107671397A (en) 2017-09-29 2017-09-29 A kind of 1600T masts arm frame head manufacture craft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710908999.3A CN107671397A (en) 2017-09-29 2017-09-29 A kind of 1600T masts arm frame head manufacture craft

Publications (1)

Publication Number Publication Date
CN107671397A true CN107671397A (en) 2018-02-09

Family

ID=61139386

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710908999.3A Pending CN107671397A (en) 2017-09-29 2017-09-29 A kind of 1600T masts arm frame head manufacture craft

Country Status (1)

Country Link
CN (1) CN107671397A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110482420A (en) * 2019-08-16 2019-11-22 南通振华重型装备制造有限公司 A kind of floating crane truss-type cantilever crane integral constructing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203603A (en) * 2013-04-23 2013-07-17 上海振华重工(集团)股份有限公司 Method for manufacturing crane arm support
CN104878699A (en) * 2015-06-18 2015-09-02 上海振华重工(集团)股份有限公司 Pitching type truss bridge manufacturing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203603A (en) * 2013-04-23 2013-07-17 上海振华重工(集团)股份有限公司 Method for manufacturing crane arm support
CN103332611A (en) * 2013-04-23 2013-10-02 上海振华重工(集团)股份有限公司 Fabrication method of arm support of crane
CN104878699A (en) * 2015-06-18 2015-09-02 上海振华重工(集团)股份有限公司 Pitching type truss bridge manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110482420A (en) * 2019-08-16 2019-11-22 南通振华重型装备制造有限公司 A kind of floating crane truss-type cantilever crane integral constructing method

Similar Documents

Publication Publication Date Title
CN105383642B (en) A kind of vertical guide rail erecting and welding method
CN109441127A (en) A kind of virtual emulation in-site installation construction method across overhanging steel structure greatly
CN104801836B (en) Oversea wind power generation jacket basis flange installation method
CN106741607A (en) A kind of method that boat segmental installs container buried base frame
CN101886401A (en) Segmented assembly component of steel end housings of underwater tunnel immersed segment and construction method
CN107323608A (en) A kind of propeller shaft bracket installation method
CN102357783A (en) Manufacturing process of pile shoe of wind power installation vessel
CN108675126B (en) Landing leg door frame assembling process of intelligent equipment of container yard
CN107352450A (en) FPSO cranes stack shell and its construction installation method
CN107671397A (en) A kind of 1600T masts arm frame head manufacture craft
CN113814589A (en) Method for controlling splicing precision of oversized flange
CN107695488A (en) Manufacture craft in the middle part of a kind of 1600T masts arm frame
CN105292378A (en) Zero-allowance butt joint construction method for unit pipe frames of liquefied gas carriers
JP2000073602A (en) Inside tank side plate construction method of double shell tank
CN110482420A (en) A kind of floating crane truss-type cantilever crane integral constructing method
CN204956849U (en) A construction equipment for turning over dial structure 100MARK line
CN107777589A (en) A kind of 1600T masts arm frame always spells technique
CN110329422A (en) A kind of method of construction of turning shape cylinder segmentation
CN107498270A (en) A kind of 1600T masts arm frame root manufacture craft
CN101332861A (en) Manufacture and installation process of backplane of pump tower for liquefied natural gas ship
CN108930260A (en) The installation method of jack-up unit spud leg
CN106245695B (en) The revolving platform of dumping plough and pylon assembly method
CN219886576U (en) Curved surface abnormal type inner concrete outer steel main tower decoration structure
CN208454359U (en) A kind of portable multifunctional transfer device peculiar to vessel
CN209323691U (en) A kind of huge diagonal brace of overlength superelevation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180209

RJ01 Rejection of invention patent application after publication